Examine source code of 2Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.64)",
      "toolbar_text": "rgb(0, 187, 255)",
      "frame": "rgb(138, 138, 138)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(0, 146, 255, 0.36)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 183, 255)",
      "popup": "rgb(66, 66, 66)",
      "popup_text": "rgb(5, 124, 167)",
      "button_background_active": "rgb(65, 42, 132)",
      "button_background_hover": "rgb(14, 0, 102)",
      "icons_attention": "rgb(255, 29, 29)",
      "ntp_background": "rgb(0, 34, 64)",
      "popup_border": "rgb(0, 0, 0)",
      "sidebar_highlight_text": "rgb(184, 184, 184)",
      "sidebar_highlight": "rgb(255, 0, 0)",
      "sidebar_text": "rgb(130, 122, 159)",
      "tab_loading": "rgb(255, 224, 0)"
    }
  }
}